Cad auxiliary line course

1. Click the construction line button on the drawing toolbar directly, as shown below.

How to draw auxiliary lines in CAD?

2. Click the Construction Line command under the Drawing menu, as shown below.

How to draw auxiliary lines in CAD?

3. Enter the shortcut key XL directly at the command line, and then press enter, as shown below.

How to draw auxiliary lines in CAD?

4. Select the command option, enter the corresponding letters, and then press Enter.

In the construction line command line: h is the horizontal construction line, v is the vertical construction line, a is the angle (you can set the angle of the construction line or copy the angle with reference to other oblique lines), b is the bisection (bisection angle, bisection angle of two straight lines), and o is the offset (you can set the distance arbitrarily through t). )

5. According to the prompt of the command line, select a point on the screen and draw a construction line.